Bending performance of post‑fire lightweight polyethylene metal sandwich panels

Chen, Zhihao; Wu, Tianran; Zhang, Yipeng; Huang, Chenxi; Zhou, Ru; Jiang, Juncheng

doi:10.1007/s43452-022-00456-y

Artykuł - szczegóły

Tytuł artykułu

Bending performance of post‑fire lightweight polyethylene metal sandwich panels

Autorzy

Chen Zhihao , Wu Tianran , Zhang Yipeng , Huang Chenxi , Zhou Ru , Jiang Juncheng

Wybrane pełne teksty z tego czasopisma

http://www.springer.com/journal/43452

Identyfikatory

DOI

10.1007/s43452-022-00456-y

Warianty tytułu

Języki publikacji

Abstrakty

This paper investigated the bending performance of post-fire lightweight polyethylene metal sandwich panels with different aspect ratios and span conditions using actual fires and post-fire three-point bending tests. The damage patterns and buckling behavior of sandwich panels after an actual fire are discussed. The effects of lamination with dimensional ratios (vertically and horizontally laminated) and span (single and double-span) on parameters, such as fire spread behavior, buckling behavior, load-deflection, bending modulus degradation efficiency, and residual bending stiffness were investigated. The results showed that the double-span fixation mode formed a double-peaked flame, becoming more evident as the aspect ratio decreased. The double-span helped suppress the upward propagation of the flame and reduced the degradation of the bending modulus. The bending stiffness was 10-20% higher than that of the single-span sandwich panels. In addition, the maximum service limit deflection of post-fire sandwich panels with different spans was also derived based on the normal limit of use standard.

Słowa kluczowe

sandwich panel bending test mechanical properties

płyta warstwowa próba zginania właściwości mechaniczne

Wydawca

Springer
Wrocław University of Science and Technology

Czasopismo

Archives of Civil and Mechanical Engineering

Rocznik

2022

Tom

Vol. 22, no. 3

Strony

art. no. e142

Opis fizyczny

Bibliogr. 40 poz., rys., tab., wykr

Twórcy

autor

Chen Zhihao

Jiangsu Key Laboratory of Urban and Industrial Safety, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 211816, China

autor

Wu Tianran

Jiangsu Key Laboratory of Urban and Industrial Safety, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 211816, China

autor

Zhang Yipeng

Jiangsu Key Laboratory of Urban and Industrial Safety, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 211816, China

autor

Huang Chenxi

Jiangsu Key Laboratory of Urban and Industrial Safety, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 211816, China

autor

Zhou Ru

maxmuse.zhou@njtech.edu.cn

Jiangsu Key Laboratory of Urban and Industrial Safety, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 211816, China

https://orcid.org/0000-0002-6851-4572

autor

Jiang Juncheng

School Environment and Safety Engineering, Changzhou University, Changzhou 213164, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-3e499d3b-1576-4748-87d9-892ff1224717